Know all about Nepheline Syenite and Scoria properties here. All properties of rocks are important as they define the type of rock and its application. Nepheline Syenite and Scoria belong to Igneous Rocks.Texture of Nepheline Syenite is Granular whereas that of Scoria is Vesicular. Nepheline Syenite appears Banded and Foilated and Scoria appears Glassy and Vesicular. The luster of Nepheline Syenite is greasy to dull while that of Scoria is subvitreous to dull. Nepheline Syenite is available in brown, buff, cream, green, grey, pink, white colors whereas Scoria is available in black, brown, dark grey to black, red colors. The commercial uses of Nepheline Syenite are cemetery markers, creating artwork and that of Scoria are as a traction material on snow-covered roads, creating artwork, high-temperature insulation, in gas barbecue grills.